/*
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 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package cn.net.greenet.device.servlet;

import cn.net.greenet.common.ucagent_service.UcAgentSupport;
import cn.net.greenet.db.HibernateUtil;
import cn.net.greenet.db.bean.Dpiendpointbean;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;

/**
 * 指定设备启用/停用
 *
 * @author LiuShang
 */
@WebServlet(name = "cn.net.greenet.device.servlet.Enable", urlPatterns = {"/device/enable"})
public class Enable extends HttpServlet {

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
     * methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        String id = request.getParameter("id");
        String device_status = request.getParameter("device_status");//DPI设备名
        if (id != null || device_status != null) {
            PrintWriter out = response.getWriter();
            SessionFactory sf = HibernateUtil.getSessionFactory();
            Session session = sf.openSession();
//            session.clear();
            Dpiendpointbean bean = (Dpiendpointbean) session.get(Dpiendpointbean.class, Integer.parseInt(id));
            if (bean != null) {
                Transaction tx = session.beginTransaction();
                try {
                    //!device_status.equals("0")
                    bean.setEnabled("0".equals(device_status) ? false : true);
                    session.update(bean);
                    tx.commit();
                    if (bean.isEnabled()) {
                        boolean success = UcAgentSupport.getInstance().getApi().enableDPIEndPoint(bean.getId(), true);
                        System.out.println("Enabled DPI (" + success + "):" + bean.getName());
                    } else {
                        boolean success = UcAgentSupport.getInstance().getApi().enableDPIEndPoint(bean.getId(), false);
                        System.out.println("Disabled DPI (" + success + "):" + bean.getName());
                    }
                    try {
                        /* TODO output your page here. You may use following sample code. */
                        out.println("{\"result\":\"true\"}");
                    } catch (Exception e) {
                        out.println("{\"result\":\"false\"}");
                    }

                } catch (Exception e) {
                    tx.rollback();
                    out.println("{\"result\":\"false\"}");
                } finally {
                    out.close();
                    session.clear();
                    session.close();
//                    sf.close();

                }
            } else {
                out.println("{\"result\":\"false\"}");
                out.close();
                session.close();
            }
        }

    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
